The tail is fixed on the model plane with nails; it cannot come off.

模型飞机的机尾是用钉钉在飞机上的, 不会来。

Be careful lest you (should) fall from the tree.

小心, 不要上来。

Be careful not to fall off the ladder.

当心别上来。

Aen mak gwnz faex doek roengz daeuj lo.

上有个果来了。

He fell from a tree and his leg fractured in three places.

他上来, 腿三处骨折。

I recognized her when her wig fell off.

她的假发来时我认出了她。

She blinked away her tears.

她眨眼使泪水来。

Be careful not to fall.

当心别来。